If you have bought this book, you have probably already heard about reactive programming (or even functional reactive programming). Nowadays, a lot of developers claim to use it in their own project; it is also easy to find posts on the Internet saying how amazing it is when compared with older paradigms. But, know you are doing a great job with the tools you have in your hands.
Learning a new programming paradigm is really hard. Most of the time you don't even know you needed it before you already mastered it, and you always have to ask yourself if this is really something that is worth the hours of studying or if it is just a new buzzword that all the cool kids are talking about, without adding real value ...
